Brain–computer interfaces (BCIs) implanted in the brains of people who are paralysed are allowing them to control prosthetics that are restoring a range of skills.

Although the field is relatively young, researchers are making rapid advances in the abilities that these implants can restore. In the past few years, commercial interest in BCIs has soared, but many hurdles remain before these implants can be brought to market.

This is an audio version of our Feature: The brain-reading devices helping paralysed people to move, talk and touch

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